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Dec
2002 Trailblazer Transfer Case Control Module. The 2002 Chevrolet Trailblazer has 4 problems reported for poor calibration of transfer case control module. Havent found Transfer Case Control Module online. If communication is possible go to. I replaced the transfer Case Control Module and the Switch in the dash as the dealer Mechanic said he couldnt tell which was bad.
We program off the car new and used transfer case control modules with the latest gm software update that fixes some of the 4wd low issues and fault codes. You may experience the 4wd stuck in low symptom and have been told its a bad transfer case control module. 2002 Trailblazer 4wd Question. As long as you get the exact same TCCM there should be no need to do any programming. This item will fit 2002-2005 Chevrolet Trailblazer and GMC Envoy models with corresponding part numbers. Trailblazer transfer case controller and 4wd switch replace.
If no communication go to step 2.
Discover Transfer Case Control Module on sale right here with the biggest option of Transfer Case Control Module anywhere online. Feel free to contact me with any questions concerns or for more pictures of the item. 2002-2005 Chevy Trailblazer Transfer Case Control Module B17 12590220. 1-24 of 26 Results. Choose top quality brands Dorman. It was basically plug and play came pre-programmed and came with no instructions.